Hi. I have some questions about Apple Airport Express to which I can't seem to find any answers online: 1.) Is it a wireless router or just a wireless access point? (I would need a router in order to make a small wireless home network. I connect to the internet through a switch, which has no home network capabilities) 2.) Can you run it in b/g/n mixed mode? (I need it to run in full speed N mode, but also connect a b/g laptop at the same time) 3.) Does it support multicast so that I can stream IPTV wirelessly to my Macbook? Thanks.